The time after the unit is active or started is printed after the "@" character.
The time the unit takes to start is printed after the "+" character.
graphical.target @12.263s
└─upower.service @1.532s +10.730s
└─basic.target @1.493s
└─systemd-ask-password-plymouth.path @1.493s
└─-.mount @126ms
└─system.slice @137ms
└─-.slice @126ms